Three CNG-run auto-rickshaw passengers and its driver were killed while two others injured when the vehicle was hit by a bus on Mymensingh-Kishoreganj road at Ramgopalpur in Gouripur of Mymensingh yesterday, said police.

The dead are Naimur Ashraf Riad, 20, of Ishwarganj; Tariqur Rahman Shyamol, 40, of Phulbaria; auto-rickshaw driver Johirul Islam, of Nandail, and Enayetuzzaman Hiru Miah, 40, of Netrakona.